| Value | Category | Cases | |
|---|---|---|---|
| 0 | 63 |
94%
|
|
| 1 | 1 |
1.5%
|
|
| 2 | 1 |
1.5%
|
|
| 5 | 1 |
1.5%
|
|
| 12 | 1 |
1.5%
|
|
| 77 | refuse | 0 |
0%
|
| 88 | dont know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 4903 |